evo.com | Therm-ic Ski Socks > Imagine this: it's absolutely firing out there, but you have the ever-lingering fear or frozen toes in the back of your brain. Guess what? Now you can have it all without sacrificing comfort in the Therm-ic Ultra Warm Performance Socks S.E.T. When frozen feet threaten your skiing groove, these thin, breathable wonders with Smart Elastic Technology(R) and thermo-regulating knit tech step in to keep your extremities toasty while ensuring your moves remain as smooth as fresh pow. Bluetooth(R) Heat Control With Therm-ic's Bluetooth(R) function and the Therm-ic Heat Control mobile app, you can check and adjust the 3 heat settings for your socks, insoles and gloves in real time using your smartphone. 3 Heat Settings Fitted Slim construction ensures that the fit in the boots is unaltered for maximum comfort and feel 60% Polyamide / 37% Merino Wool / 3% Elastane Smart Elastic Technology(R) Heating and thermoregulating knitting technologies | Therm-ic Ultra Warm Performance Socks S.E.T. 2026 - Small in Gray | Wool/Elastane